[INFO] fetching crate futures-mpmc 0.1.0...
[INFO] testing futures-mpmc-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate futures-mpmc 0.1.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate futures-mpmc 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-mpmc 0.1.0
[INFO] finished tweaking crates.io crate futures-mpmc 0.1.0
[INFO] tweaked toml for crates.io crate futures-mpmc 0.1.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c4c391e82f5ea76877bc03c31b38e397eb575fb66ed14c195de12cafe89d088
[INFO] running `Command { std: "docker" "start" "-a" "9c4c391e82f5ea76877bc03c31b38e397eb575fb66ed14c195de12cafe89d088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c4c391e82f5ea76877bc03c31b38e397eb575fb66ed14c195de12cafe89d088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4c391e82f5ea76877bc03c31b38e397eb575fb66ed14c195de12cafe89d088", kill_on_drop: false }`
[INFO] [stdout] 9c4c391e82f5ea76877bc03c31b38e397eb575fb66ed14c195de12cafe89d088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf7625d67416ebf522c18cb41b10239a56f8c0748ae9cd811b6eb5c05e941aa
[INFO] running `Command { std: "docker" "start" "-a" "acf7625d67416ebf522c18cb41b10239a56f8c0748ae9cd811b6eb5c05e941aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-mpmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 atomic::spin_loop_hint();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "acf7625d67416ebf522c18cb41b10239a56f8c0748ae9cd811b6eb5c05e941aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf7625d67416ebf522c18cb41b10239a56f8c0748ae9cd811b6eb5c05e941aa", kill_on_drop: false }`
[INFO] [stdout] acf7625d67416ebf522c18cb41b10239a56f8c0748ae9cd811b6eb5c05e941aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b30dd008cd3ff60b3619b805b7e07ded12753b1d741a3b75f606093f10bbc91e
[INFO] running `Command { std: "docker" "start" "-a" "b30dd008cd3ff60b3619b805b7e07ded12753b1d741a3b75f606093f10bbc91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-mpmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 atomic::spin_loop_hint();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 atomic::spin_loop_hint();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/tests.rs:89:31
[INFO] [stdout]    |
[INFO] [stdout] 89 |         assert!(!self.dropped.compare_and_swap(false, true, Ordering::SeqCst));
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "b30dd008cd3ff60b3619b805b7e07ded12753b1d741a3b75f606093f10bbc91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30dd008cd3ff60b3619b805b7e07ded12753b1d741a3b75f606093f10bbc91e", kill_on_drop: false }`
[INFO] [stdout] b30dd008cd3ff60b3619b805b7e07ded12753b1d741a3b75f606093f10bbc91e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a2d0fa7dab4476ac7b14c10542c5c49ae04f1e668fef7ec65c48014264922c2
[INFO] running `Command { std: "docker" "start" "-a" "3a2d0fa7dab4476ac7b14c10542c5c49ae04f1e668fef7ec65c48014264922c2", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]    --> src/util.rs:136:25
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 atomic::spin_loop_hint();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `futures-mpmc` (lib) generated 1 warning
[INFO] [stderr] warning: `futures-mpmc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> tests/tests.rs:89:31
[INFO] [stderr]    |
[INFO] [stderr] 89 |         assert!(!self.dropped.compare_and_swap(false, true, Ordering::SeqCst));
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `futures-mpmc` (test "tests") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_mpmc-7fa22c89069541d5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-fed0e4bddd4514eb)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test drops ... ok
[INFO] [stdout] test no_rx_try_send_error ... ok
[INFO] [stdout] test send_shared_recv ... ok
[INFO] [stdout] test send_recv ... ok
[INFO] [stdout] test send_recv_threads ... ok
[INFO] [stdout] test zero_size_struct ... ok
[INFO] [stdout] test stress_try_send_receive ... ok
[INFO] [stdout] test stress_shared_array_hard ... ok
[INFO] [stdout] test stress_receiver_multi_task_array_hard ... ok
[INFO] [stdout] test stress_drop_sender ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-mpmc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a2d0fa7dab4476ac7b14c10542c5c49ae04f1e668fef7ec65c48014264922c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2d0fa7dab4476ac7b14c10542c5c49ae04f1e668fef7ec65c48014264922c2", kill_on_drop: false }`
[INFO] [stdout] 3a2d0fa7dab4476ac7b14c10542c5c49ae04f1e668fef7ec65c48014264922c2